CVE-2015-1396

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-25 · updated 2026-06-17
Weakness: CWE-22

Description

A Directory Traversal vulnerability exists in the GNU patch before 2.7.4. A remote attacker can write to arbitrary files via a symlink attack in a patch file. NOTE: this issue exists because of an incomplete fix for CVE-2015-1196.

Affected products

Debian Linux: 8.0, 9.0, 10.0, 11.0
GNU patch: before 2.7.4 — fixed in 2.7.4

How to fix

Upgrade to a fixed version: GNU patch 2.7.4. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2015/01/27/29
http://www.openwall.com/lists/oss-security/2015/01/27/29
http://www.openwall.com/lists/oss-security/2015/01/27/29
http://www.openwall.com/lists/oss-security/2015/01/27/29
http://www.securityfocus.com/bid/75358
http://www.securityfocus.com/bid/75358
http://www.securityfocus.com/bid/75358
http://www.securityfocus.com/bid/75358
http://www.ubuntu.com/usn/USN-2651-1
https://bugzilla.redhat.com/show_bug.cgi?id=1186764
http://www.openwall.com/lists/oss-security/2015/01/27/29
http://www.openwall.com/lists/oss-security/2015/01/27/29

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